I change the hydrodynamic model in the OrcaFlex file: I am now using the load RAOs and I have set the Ca value for the 6D buoys at 0. Here are some news about my previous problem, in case someone needs it in the future.
To those working with FAST/OrcaFlex or those involved in the OC4 project, could you give me some clue about this issue? I’ve read the Minutes of Meeting of the OC4: I have not seen anything about this kind of issue.
I am using FAST v8.16.00a-bjj, and OrcaFlex 10.2b. I don’t understand these differences: I did not change the OC4 model. However, for the LC 2.1 (Airy waves only), the pitch and heave amplitudes are greater than expected (see attached figures, the FAST/OrcaFlex model is the large red line). Therefore I downloaded the OC4 FAST/OrcaFlex model available on the NREL website, and I compared the results of the different OC4 Load Cases with public data available on your drive “Task 30 OC4”. In order to identify the source of my problems, a colleague advised me to study the OC4 project. I am still working on my FAST/OrcaFlex model for a floating wind turbine, and I am currently running into some difficulties.
